.s. consulate in benghazi, libya, tonight. this is the city you'll recall where rebels held out against gadhafi's army last year until u.s. and nato forces flew to their revolutionary cause. in neighboring egypt it wasn't militants but angry protesters who rushed the walls of the u.s. embassy in cairo, tore down the american flag, and replaced it with a black islamist banner. all of it apparently sparked by an obscure american film critical of the prophet muhammad. after a clip was posted online, the embassy in cairo put out a statement condemning the continuing efforts by misguided individuals to hurt the religious feelings of muslims. tonight, the white house distanced itself from that statement, which the romney campaign called disgraceful. more details on this fluid situation as we get them. >>> but shifting gears now to the kind of story that fills any parent with dread and a bit of gratitude for the glories of technology, here's abc's juju chang. >> reporter: chris powell found fame as the high-octane trainer for abc's "extreme makeover weight loss edition." >> that's it, tony, that's it.